1
2
3
4
Fig. 7:
Exhaust connection with flange connection
1 Circlip
3
Exhaust line
2 Centering ring with O-ring and cone sieve
4
Protective cap
Procedure
1. Remove the protective cap from the exhaust flange.
2. Make sure that the cone sieve and centering ring are in the vacuum flange.
3. Choose a minimum exhaust line diameter equal to the nominal diameter of the connection flange.
4. Depending on the pump type, use PVC or metallic hoses with flange connections from the
5. Lay the piping downwards from the vacuum pump, to prevent condensate return.
6. Support or suspend the piping to the vacuum pump so that no piping system forces act on the
vacuum pump.
7. Connect both flanges with a circlip.
Protect the pump from condensate
1. Install a condensate separator in the exhaust line if necessary.
2. Use the lowest exhaust line point for the condensate drain.
5.4 Fill operating fluid
WARNING
Danger of poisoning from toxic vapors
Igniting and heating synthetic operating fluid generates toxic vapors. Danger of poisoning if inhaled.
► Observe the application instructions and precautions.
► Do not allow tobacco products to come into contact with the operating fluid.
NOTICE
Risk of damage due to the use of non-approved operating fluid
Product-specific performance data are not achieved. All liability and warranty claims against Pfeiffer
Vacuum are also excluded.
► Only use approved operating fluids.
► Only use other application-specific operating fluids after consultation with Pfeiffer Vacuum.
Approved operating fluid
● P3 for standard applications
● F4 for corrosive gas model
● D1 for special applications (such as higher operating temperatures)
Installation
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